
/* 此样式文件用于初始化样式 */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  color: black;
  font-size: 16px;
  font-family: Ubuntu Mono, Arial, Helvetica, sans-serif;
}

a {
  text-decoration: none;
}

i {
  font-style: normal;
}

b {
  font-weight: normal;
}

input,
button,
textarea {
  outline: none;
}

textarea {
  resize: none;
}

ul {
  list-style: none;
}
.a1{
	width: 1200px;
	height: 800px;
	margin: 100px auto;
	position: relative;
}
.d1{
	width: 1000px;
	height: 600px;
	box-shadow: 10px 10px 10px darkgrey;
	position: absolute;
	top: 50px;
	left: 50%;
	margin-left: -500px;
	transition: all 1s;
	/*z-index: -1;
	opacity: 0;*/
}
.d2{
	width: 700px;
	height: 600px;
	position: absolute;
	left: 0;
}
.d2 form{
	width: 400px;
	position: absolute;
	left: 50%;
	margin-left: -200px;
	margin-top: 100px;
	text-align: center;
}
.d2 form ul{
	margin-top: 20px;
}
.d2 form li{
	margin-top: 50px;
	width: 100%;
	height: 16px;
	position: relative;
}
.d2 form li span{
	position: absolute;
	left: 0;
	top: 0;
	font-size: 14px;
	font-weight: 600px;
	transition: all 1s;
}
.d2 form li input{
	width: 100%;
	position: absolute;
	left: 0;
	top: 0;
	padding-bottom: 5px;
	border: 0;
	border-bottom: 1px solid;
}
.d2 form input[type=submit]{
	width: 100%;
	height: 3rem;
	margin-top: 50px;
	border-radius: 1.5rem;
	font-size: 14px;
	color: white;
	background-color: cyan;
}
.d2 form h4{
	margin-top: 30px;
}
.d2 form h4:hover{
	color: gold;
}
.d2 .d3{
	width: 500px;
	position: absolute;
	left: 50%;
	bottom: 80px;
	margin-left: -250px;
}
.d2 .d3 img{
	width: 60px;
	height: 60px;
	margin-left: 50px;
}
.d4{
	width: 300px;
	height: 600px;
	position: absolute;
	right: 0;
	background-image: url(../img/signin.jpg);
	background-size: 300px 600px;
	background-repeat: no-repeat;
	text-align: center;
	transition: all 1s;
}
.d4 ul{
	margin-top: 100px;
	color: white;
}
.d4 ul li{
	margin-top: 30px;
}
.d4 .but1{
	width: 100px;
	height: 50px;
	position: absolute;
	top: 60%;
	left: 50%;
	margin-left: -50px;
	text-align: center;
	line-break: 50px;
	color: white;
	background: rgba(0,0,0,0);
	border: 3px solid;
	border-radius: 25px;
}
.b1{
	width: 1000px;
	height: 600px;
	box-shadow: 10px 10px 10px darkgrey;
	position: absolute;
	top: 50px;
	left: 50%;
	margin-left: -500px;
	transition: all 1s ;
	z-index: -1;
	opacity: 0;
}
.b2{
	width: 700px;
	height: 600px;
	position: absolute;
	left: 0;
}
.b2 form{
	width: 400px;
	position: absolute;
	left: 50%;
	margin-left: -200px;
	margin-top: 50px;
	text-align: center;
}
.b2 form ul{
	margin-top: 20px;
}
.b2 form li{
	margin-top: 40px;
	width: 100%;
	height: 16px;
	position: relative;
}
.b2 form li span{
	position: absolute;
	left: 0;
	top: 0;
	font-size: 14px;
	font-weight: 600px;
	transition: all 1s;
}
.b2 form li input{
	width: 100%;
	position: absolute;
	left: 0;
	top: 0;
	padding-bottom: 5px;
	border: 0;
	border-bottom: 1px solid;
}
.b2 form input[type=submit]{
	width: 100%;
	height: 3rem;
	margin-top: 50px;
	border-radius: 1.5rem;
	font-size: 16px;
	background-color: cyan;
}
.b2 form h4{
	margin-top: 30px;
}
.b2 form h4:hover{
	color: gold;
}
.b2 .b3{
	width: 500px;
	position: absolute;
	left: 50%;
	bottom: 80px;
	margin-left: -250px;
}
.b2 .b3 img{
	width: 60px;
	height: 60px;
	margin-left: 50px;
}
.b4{
	width: 300px;
	height: 600px;
	position: absolute;
	right: 0;
	background-image: url(../img/signup.jpg);
	background-size: 300px 600px;
	background-repeat: no-repeat;
	text-align: center;
	transition: all 1s;
}
.b4 ul{
	margin-top: 100px;
	color: white;
}
.b4 ul li{
	margin-top: 30px;
}
.b4 .but2{
	width: 100px;
	height: 50px;
	position: absolute;
	top: 60%;
	left: 50%;
	margin-left: -50px;
	text-align: center;
	line-height: 50px;
	color: white;
	border: 3px solid;
	border-radius: 25px;
	background: rgba(0,0,0,0);
}

.ziti {
    transform: translate(0,-20px) scale(1);
    color: red;
}
.dong {
    transform: translateX(-700px);
}
.y {
    z-index: -1;
    opacity: 0;
}
.h {
    z-index: 0;
    opacity: 1;
}